EP2579239A4 - Projektionsanzeigevorrichtung - Google Patents

Projektionsanzeigevorrichtung

Info

Publication number
EP2579239A4
EP2579239A4 EP10852174.1A EP10852174A EP2579239A4 EP 2579239 A4 EP2579239 A4 EP 2579239A4 EP 10852174 A EP10852174 A EP 10852174A EP 2579239 A4 EP2579239 A4 EP 2579239A4
Authority
EP
European Patent Office
Prior art keywords
display device
projection display
projection
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10852174.1A
Other languages
English (en)
French (fr)
Other versions
EP2579239A1 (de
Inventor
Shuichi Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp NEC Display Solutions Ltd
Original Assignee
NEC Display Solutions Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Display Solutions Ltd filed Critical NEC Display Solutions Ltd
Publication of EP2579239A1 publication Critical patent/EP2579239A1/de
Publication of EP2579239A4 publication Critical patent/EP2579239A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
EP10852174.1A 2010-05-28 2010-05-28 Projektionsanzeigevorrichtung Withdrawn EP2579239A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/059131 WO2011148507A1 (ja) 2010-05-28 2010-05-28 投写型表示装置

Publications (2)

Publication Number Publication Date
EP2579239A1 EP2579239A1 (de) 2013-04-10
EP2579239A4 true EP2579239A4 (de) 2016-01-20

Family

ID=45003513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10852174.1A Withdrawn EP2579239A4 (de) 2010-05-28 2010-05-28 Projektionsanzeigevorrichtung

Country Status (5)

Country Link
US (2) US9022578B2 (de)
EP (1) EP2579239A4 (de)
JP (1) JP5676595B2 (de)
CN (1) CN102918578B (de)
WO (1) WO2011148507A1 (de)

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JP2017129658A (ja) 2016-01-19 2017-07-27 セイコーエプソン株式会社 プロジェクター及びプロジェクターの制御方法
JP2013161069A (ja) * 2012-02-09 2013-08-19 Hitachi Media Electoronics Co Ltd 画像表示装置
JP5968031B2 (ja) * 2012-04-17 2016-08-10 三菱電機株式会社 レーザー光源プロジェクター
JP6112455B2 (ja) * 2012-05-23 2017-04-12 パナソニックＩｐマネジメント株式会社 多灯式投写型映像表示装置及びそのための制御装置
JP2013258357A (ja) * 2012-06-14 2013-12-26 Mitsubishi Electric Corp 半導体光源装置
JP6120496B2 (ja) * 2012-06-15 2017-04-26 三菱電機株式会社 光源装置
US20140021884A1 (en) * 2012-07-18 2014-01-23 Dialight Corporation High ambient temperature led luminaire with thermal compensation circuitry
JP6186682B2 (ja) * 2012-08-31 2017-08-30 カシオ計算機株式会社 投影装置、投影方法及びプログラム
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JP6291709B2 (ja) * 2013-01-04 2018-03-14 セイコーエプソン株式会社 プロジェクター及びその制御方法
WO2014196124A1 (ja) 2013-06-06 2014-12-11 ソニー株式会社 画像表示装置、光源装置、及び光学ユニット
EP3037032B1 (de) * 2013-08-23 2019-03-06 Olympus Corporation Lichtquellenvorrichtung und endoskopvorrichtung
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JP6321148B2 (ja) * 2014-05-09 2018-05-09 マクセル株式会社 投写型映像表示装置
CN106662753B (zh) * 2014-08-14 2021-01-15 Mtt创新公司 多激光器光源
JP6504804B2 (ja) * 2014-12-12 2019-04-24 三菱電機株式会社 マルチ画面表示装置
DE112015005821B4 (de) * 2014-12-24 2018-08-02 Fujifilm Corporation Projektionsdisplayvorrichtung und Lichtquellensteuerverfahren davon
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JP6252523B2 (ja) * 2015-03-11 2017-12-27 カシオ計算機株式会社 投影装置、投影制御方法及びプログラム
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JPWO2017033369A1 (ja) * 2015-08-24 2018-06-07 ソニー株式会社 画像表示装置、画像表示方法、及びプログラム
JP6380813B2 (ja) * 2015-12-24 2018-08-29 カシオ計算機株式会社 光源装置及び投影装置
CN105388693A (zh) * 2015-12-31 2016-03-09 中国华录集团有限公司 一种激光投影机色彩自动控制系统
JP6623779B2 (ja) * 2016-01-15 2019-12-25 セイコーエプソン株式会社 プロジェクター、及び、光源制御方法
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CN107272309A (zh) * 2017-08-21 2017-10-20 青岛海信电器股份有限公司 激光投影设备
CN107479307B (zh) * 2017-08-21 2020-08-28 海信视像科技股份有限公司 投影设备
CN107290915B (zh) * 2017-08-21 2020-08-28 海信视像科技股份有限公司 投影设备
JP7264063B2 (ja) * 2017-12-04 2023-04-25 ソニーグループ株式会社 画像表示装置
JP6728251B2 (ja) * 2018-01-26 2020-07-22 キヤノン株式会社 照明装置および画像投射装置
CN108495418A (zh) * 2018-04-25 2018-09-04 广东工业大学 一种led的热管理方法及装置
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JP7113685B2 (ja) * 2018-07-10 2022-08-05 株式会社村上開明堂 ミラー表示装置およびその制御方法
US11067878B2 (en) * 2019-06-20 2021-07-20 Hisense Laser Display Co., Ltd. Laser projection device
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JP2022029583A (ja) * 2020-08-05 2022-02-18 キヤノン株式会社 光源装置および画像投射装置
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Also Published As

Publication number Publication date
EP2579239A1 (de) 2013-04-10
JP5676595B2 (ja) 2015-02-25
US20150212400A1 (en) 2015-07-30
CN102918578A (zh) 2013-02-06
US9274408B2 (en) 2016-03-01
WO2011148507A1 (ja) 2011-12-01
US9022578B2 (en) 2015-05-05
US20130070208A1 (en) 2013-03-21
CN102918578B (zh) 2015-10-14
JPWO2011148507A1 (ja) 2013-07-25

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